Search U.S. government technical reports digitized or harvested by TRAIL.
A new sulfur dioxide-free process for recovering lead from battery scrap
Roasting nonmagnetic taconites in a fluid bed using low-rank fuels as reductants
Magnesium oxysulfate cement sealant in coal mines
Applying computer-drawn maps of geologic data to analysis of mining problems
Temperature investigations on resin-anchored bolts
Beneficiation of nonmagnetic taconites by selective flocculation-cationic flotation
Locating miners in smoke-filled mine openings with infrared imagers
Development and testing of superior sulfur concretes
Support capabilities of pneumatically stowed materials
Depth and producing rate classification of petroleum reservoirs in the United States, 1971
An ice-cooling garment for mine rescue teams
Size distribution and mass output of particulates from diesel engine exhausts
The reactivity of aluminized AN-FO with pyrite-bearing ores
Powder metallurgy of Raney nickel
Velocity-based method for slope failure detection
Low-temperature heat capacities and enthalpy of formation of aluminum sulfide (Al2S3)
Detection of filamentous iron bacteria in open recirculating cooling water systems
Geologic and ground-control aspects of an experimental shortwall operation in the upper Ohio Valley
Oil and gas seeps in Alaska :Alaska Peninsula, western Gulf of Alaska
Effect of environment on friction and wear between quartz and steel
Strength of cemented hydraulic sandfill modified by flocculants
Production of blister copper by electric furnace smelting of dead-burned copper sulfide concentrates
Methane emissions from an advancing coal mine section in the Pittsburgh coalbed
Laser alinement sensor for continuous-mining machines
Geological factors affecting methane in the Beckley coalbed
An electromagnetic system for detecting and locating trapped miners
Influence of surface-active chemicals on drilling and fracturing rock
Amine extraction of iron from aluminum chloride leach liquors
Dust-control studies using scale models of coal mine entries and mining machines
Gas diffusion membrane electrode to determine SO2 in presence of S03
A spiral sequential sampler for air and liquids :preliminary results
Dewatering and densification of coal waste by direct current-laboratory tests
Investigation of a cell design for electrowinning zirconium metal from zirconium tetrachloride
The theory of flammability limits :natural convection
Data-acquisition system for radon monitoring
Coal mine combustion products:conveyor belts,
Electrothermal fracture of copper shale
Physical desulfurization of fine-size coals on a spiral concentrator
Copper cementation in a revolving-drum reactor, a kinetic study
Development of two new oxygen self-rescuers.